>> reporter: this chuck e. cheese had it up, but look closely. >> it's old. >> reporter: it's from 2009. and you can't see the score. he says the inspector was there recently. >> and we saw her a month and a half ago. >> reporter: a month and a half ago? how did you do? >> excellent. >> reporter: but records show it received a fair for multiple violations. are you supposed to hang it up? >> kind of yes and no. never tell me to, because she is supposed to tell me. >> reporter: out of 25 restaurants, only one had the current report in plain view. so what is the plenty for not posting it? there isn't one. do you think the system is working right now? >> i think that we have several tools for communicating inspection results to the public. >> reporter: we showed antoinette manns of san mateo county's environmental health department some of our video. is what you just saw acceptable to you? >> i think the important thing to remember is that there is always that additional education that we can do with the restaurant